Urine N-Telopeptide Cross-links (NTx) Build info

Synonyms

• N-TELOPEPTIDE, URINE
• OSTEOMARK
• COLLAGEN CROSS-LINKED
• LAB816

Procedure Name

N-TELOPEPTIDE, URINE

Procedure Master Number

LAB816

Procedure ID

64716

Clinical Info

Evaluation of osteoporosis and assessment of antiresorptive therapy

Specimen Sources

Specimen Types

Container

Urine-Yellow Top

Collection Instructions

Container/Tube: Sterile leak-proof container
Specimen:   20 mL from a second-morning urine collection.
                    Discard first-morning urine.
                   No preservative.(1 mL min)
Collection  Collect a second void of the morning (no preservative). When monitoring therapy, baseline samples should be collected prior to initiation of therapy. Subsequent specimens should be collected at the same time of day as baseline specimens.

Specimen Volume

20 mL from a second-morning urine collection.
Discard first-morning urine.
No preservative.(1 mL min)

Transport Instructions

Refrigerated

Specimen Stability

14 Days Room Temperature, Refrigerated, or Frozen

Methodology

Ortho Vitros Enhanced Chemiluminescence System

Days Performed

TAT: 4-6 Days

Performing Laboratory

LabCorp

CPT

82523 
82570  
 

PDM

Only Orderable at Locations:

Results

Result Interpretation

Pediatric: see table.¹
• Adults:
− Male: 0−62 nM BCE/mmol creatinine
− Female: 20 to 49 years 0−64 nM BCE/mmol creatinine; >49 years 0−89 nM BCE/mmol creatinine

 Pediatric: see table.¹

• Adults:

− Male: 0−62 nM BCE/mmol creatinine

− Female: 20 to 49 years 0−64 nM BCE/mmol creatinine; >49 years 0−89 nM BCE/mmol creatinine

Forms